diff --git a/README.md b/README.md
index f74a8b8d..3bc3492b 100644
--- a/README.md
+++ b/README.md
@@ -853,7 +853,7 @@ Server mode needs only a TTL:
 const client = new SchematicClient({
     apiKey: process.env.SCHEMATIC_API_KEY,
     creditLeases: {
-        defaultReservationTTL: 60 * 1000, // how long the server holds the credits if no track settles them (ms, max 1 hour)
+        defaultReservationTTL: 60 * 1000, // how long the server holds the credits if no track settles them (ms, max 24 hours)
     },
 });
 ```
diff --git a/src/credits/types.ts b/src/credits/types.ts
index 25117015..1284e7e9 100644
--- a/src/credits/types.ts
+++ b/src/credits/types.ts
@@ -18,11 +18,11 @@ export type OnAcquireFailure = "fail-open" | "fail-closed";
 // below stay accurate even if a consumer overrides only a subset of fields.
 export const DEFAULT_LEASE_DURATION_MS: number = 5 * 60 * 1000;
 export const DEFAULT_RESERVATION_TTL_MS: number = 60 * 1000;
-// The API rejects a hold whose `expiresAt` is more than an hour out, so a
+// The API rejects a hold whose `expiresAt` is more than 24 hours out, so a
 // larger reservation TTL would fail every server-mode check. The SDK clamps to
 // this instead.
-export const MAX_RESERVATION_TTL_MS: number = 60 * 60 * 1000;
-// The API measures that hour against its own clock while the SDK computes
+export const MAX_RESERVATION_TTL_MS: number = 24 * 60 * 60 * 1000;
+// The API measures that limit against its own clock while the SDK computes
 // `expiresAt` against the caller's, so a client running ahead would be rejected
 // at exactly the cap. Hold this much back from it.
 export const RESERVATION_TTL_SKEW_ALLOWANCE_MS: number = 60 * 1000;
@@ -69,7 +69,7 @@ export interface CreditLeaseConfig {
     /**
      * Default reservation TTL in milliseconds. Default `DEFAULT_RESERVATION_TTL_MS`
      * (60 seconds). In server mode it is capped at `MAX_RESERVATION_TTL_MS`
-     * (1 hour) less `RESERVATION_TTL_SKEW_ALLOWANCE_MS`, since an hour out is
+     * (24 hours) less `RESERVATION_TTL_SKEW_ALLOWANCE_MS`, since 24 hours out is
      * the furthest the API will hold credits and it measures that against its
      * own clock. Size this above the
      * longest expected gap between `check()` and `trackWithReservation()`: a
diff --git a/tests/unit/wrapper.test.ts b/tests/unit/wrapper.test.ts
index 4902d00d..85be2a30 100644
--- a/tests/unit/wrapper.test.ts
+++ b/tests/unit/wrapper.test.ts
@@ -1114,7 +1114,7 @@ describe("SchematicClient wrapper - server-mode credit reservations", () => {
         const client = new SchematicClient({
             apiKey: "test-key",
             logger: mockLogger,
-            creditLeases: { mode: "server", defaultReservationTTL: 4 * 60 * 60 * 1000 },
+            creditLeases: { mode: "server", defaultReservationTTL: 25 * 60 * 60 * 1000 },
         });
 
         const maxTTL = MAX_RESERVATION_TTL_MS - RESERVATION_TTL_SKEW_ALLOWANCE_MS;
@@ -1134,7 +1134,7 @@ describe("SchematicClient wrapper - server-mode credit reservations", () => {
     });
 
     it("leaves the TTL alone in client mode, where the API never sees it", async () => {
-        const ttl = 2 * 60 * 60 * 1000;
+        const ttl = 25 * 60 * 60 * 1000;
         const client = new SchematicClient({
             apiKey: "test-key",
             logger: mockLogger,